Method and apparatus for the weatherability testing of a material
US9234832B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 21, 2013 |
| Grant date | Jan 12, 2016 |
| Priority date | — |
| Expiry date | Nov 22, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N17/002
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method and an apparatus (1) for weatherability testing of a material sample (3) are disclosed. The material sample (3) is exposed to a testing atmosphere (12) in a testing chamber (2). The testing atmosphere (12) is formed by a plasma (10). Testing atmosphere (12) is withdrawn from the testing chamber (2) and resupplied to the plasma generation as a process gas (5G), after filtering and/or conditioning. At least one further substance (8S) may be added to a process gas (5G) for plasma generation, in order to obtain a desired chemical composition of the testing atmosphere (12). Parameters of the testing atmosphere (12) like temperature and chemical composition may be controlled. The material sample (3) may furthermore be exposed to UV light (25), which preferably is generated by an electric arc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.